Six-month-old Avery was left in a locked daycare, his mother said.
(Tanaya Merchen)

When Tanaya Merchen arrived last Friday evening at the Montana daycare purportedly taking care of her infant son, she says she made a shocking discovery: her 6-month-old baby had been locked inside the dark building -- alone.

Luckily, Merchen's little boy, Avery, was not hurt physically. She was outraged about the incident, but Merchen told KTVU she also felt an obligation to warn “anyone and everyone” in hopes no mother or father is in a similar position.

Merchen said she arrived at the Kids R Us daycare in Billings, Mont., on Nov. 2 at around 5:45 p.m. to pick up Avery. But when she tried the door, it was locked. The lights were off and Merchen said it appeared as if the employees had gone home for the weekend.

Eventually, Merchen called the daycare director for assistance and was able to get her son. The daycare's owner, Kim Redding, told KULR the incident stemmed from a miscommunication.

The daycare said the incident was caused by a miscommunication.
(Tanaya Merchen)

"It was a horrible mistake and we're sorry," Redding said. "We got a damage-control method, just to double check all staff to check out sign out sheets and just be careful because it was a horrible mistake. And I'm not downplaying it, it was a bad mistake."

Merchen said the director informed her a staff member went home early after falling ill, but she said she still didn’t understand why no one called her to pick her baby up. Merchen relayed the incident to her boss, who wrote a Facebook post about the incident that soon went viral.